Product Details
| Product Name: Camosic acid | CAS No.: 3650-09-7 |
| EC-No.: 609-253-7 | Min. Order: 1ton |
| Purity: 99% | Supply Ability: 1000T/M |
| Release date: 2025/10/21 |
Technical Data Sheet (TDS) – Carnosic Acid
Product Name: Carnosic Acid
Botanical Source: Rosmarinus officinalis L.
CAS Number: 3650-09-7
Molecular Formula: C₂₀H₂₈O₄
Molecular Weight: 332.43 g/mol
Synonyms: Rosemary diterpene, 12-hydroxycarnosic acid
1. Product Description
Carnosic Acid is a natural polyphenolic diterpene extracted from rosemary leaves. It exhibits strong antioxidant, antimicrobial, and preservative properties, widely used in the food, cosmetic, pharmaceutical, and chemical industries.
Food Grade: Complies with food additive regulations; suitable for supplements, functional foods, and beverages.
Industrial Grade: High purity for cosmetics, pharmaceuticals, and research applications.
2. Physical & Chemical Properties
| Property | Specification |
|---|---|
| Appearance | Brownish-yellow powder |
| Odor & Taste | Characteristic, slightly bitter |
| Mesh Size | ≥ 98% pass 80 mesh |
| Moisture | ≤ 5.0% |
| Ash | ≤ 5.0% |
| Solubility | Soluble in ethanol, DMSO; slightly soluble in water |
| Melting Point | 190–195°C |
| pH (1% solution) | 4.5–6.0 |
3. Active Ingredient
| Component | Specification | Test Method |
|---|---|---|
| Carnosic Acid | ≥ 10% (food grade) ≥ 20% (industrial grade) | HPLC |
| Polyphenols | ≥ 15% | UV/Vis |
| Antioxidant Activity | DPPH ≥ 80% | In vitro assay |
4. Microbiological Limits (Food Grade)
| Test | Limit |
|---|---|
| Total Plate Count | ≤ 10,000 CFU/g |
| Yeast & Mold | ≤ 1,000 CFU/g |
| E. coli | Negative |
| Salmonella | Negative |
5. Heavy Metals
| Metal | Limit |
|---|---|
| Lead (Pb) | ≤ 2 ppm |
| Arsenic (As) | ≤ 2 ppm |
| Cadmium (Cd) | ≤ 1 ppm |
| Mercury (Hg) | ≤ 0.1 ppm |
6. Applications
Food Grade
Functional foods and beverages
Nutraceuticals and dietary supplements
Natural antioxidants and preservatives
Industrial Grade
Cosmetic formulations (creams, serums, lotions)
Pharmaceutical products (anti-inflammatory, antioxidant)
Research and chemical intermediates
7. Storage & Handling
Store in a cool, dry place, protected from light and moisture.
Keep container tightly closed when not in use.
Shelf Life: 24 months under recommended storage conditions.
8. Safety
Generally recognized as safe (GRAS) for food applications when used according to regulations.
Avoid contact with eyes and prolonged skin exposure.
Follow standard laboratory safety protocols when handling industrial-grade material.
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China- Since: 2025-04-07
- Address: C-309, No. 12 Yuzhou S. Rd, Haizhou, Lianyungang, Jiangsu, China